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For the do_locked case they have the same scope, but having
it on db_watched_record will simplify further changes.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15125
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This makes it much easier to understand...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15125
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
These functions operate on struct db_watched_record.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15125
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
struct db_watched_record is the private data of
the struct db_record produced by the struct db_context that
uses struct db_watched_ctx.
db_watched_subrec had nothing really todo with the
sub record we got back from db_watched_ctx->backend.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15125
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This matches db_tdb_do_locked() and the fetch_locked based fallback in
dbwrap_do_locked().
Calling dbwrap_record_get_value() is not allowed from within
dbwrap_do_locked()!
Now that rec.value is only internal, use it to remember the initial
payload value. This will simplify further code changes as it
makes the fetch_locked case.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15125
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
When we (need) to ignore an error from dbwrap_do_locked() within
dbwrap_watched_watch_state_destructor(), we better print this
with log level 1 instead of 10.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
commit 8e3798dd22 actually came with a
change in behavior..., as SMB_VFS_GET_NT_ACL_AT() (at the time) and
now SMB_VFS_FGET_NT_ACL() is always called even if it's not needed.
E.g. access by root.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Jul 26 00:31:29 UTC 2022 on sn-devel-184
This avoids wasting getpid() during profiling.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Jul 25 18:32:18 UTC 2022 on sn-devel-184
Our messaging code is very performance critical and
we should note waste time in getpid() syscalls...
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This converts filename_convert_dirfsp to do symlink evaluation in user
space. It uses openat_pathref_dirfsp_nosymlink() to open the dirpath
and looks at the proper NT_STATUS_STOPPED_ON_SYMLINK response. Using
this avoids filename_convert() and thus unix_convert() completely for
the SMB2_CREATE case.
The tests
samba3.blackbox.smbclient_s3.NT1.plain.Recursive ls across MS-DFS links
now correctly stop the symlink lookup recursion with
NT_STATUS_OBJECT_PATH_NOT_FOUND. Previously we did not correcly pass up the
ELOOP coming back from the stat-call.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Mon Jul 25 12:56:08 UTC 2022 on sn-devel-184
Next we want to avoid filename_convert() to take care of this. The
SMB2 code has a proper TWRP token anyway, so let's push the
@GMT-handling to the SMB1 code that will be converted to
filename_convert_dirfsp().
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This does a step-by-step path resolution for a directory by splitting
up the path into individual components and does a loop like that
for component in components:
fd = openat(dirfd, component, O_NOFOLLOW);
close(dirfd);
dirfd = fd
and it will report any symlink it finds in a way that will be
indirectly consumable for the smb2 symlink error response.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We'll use this in files.c, which creates a bit of a cyclic
dependency. But files.c has all the lowlevel fsp handling, and we'll
add another routine there next which needs get_real_filename_at()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Before this patch we asserted that if we have a base_fsp then
smb_fname must have a stream name attached. Now we also assert that if
we don't have a base_fsp smb_fname is not a stream.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
The main point of this function was to avoid fd_openat() and thus the
expensive non_widelink_open(). Now that fd_openat() has the direct
SMB_VFS_OPENAT() fast-path for streams, we can avoid duplicating the
logic in open_stream_pathref_fsp() again.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Rename it to openat_pathref_fullname(), it will be used for stream
open next
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Would not have hurt either, but this makes the next patch easier to
verify properly
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Remove the implicit recursion
openat_pathref_fsp->openat_pathref_base_fsp->openat_pathref_fsp
by introducing openat_pathref_nostream() and use
open_stream_pathref_fsp() where possible. openat_pathref_nostream()
will change its name in further refactoring patches, but for
understanding this patch I think this name is good :-)
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Now that non_widelink_open() does not see streams opens, we don't need
to take care of fsp->base_fsp anymore.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
The main optimization is to avoid non_widelink_open() for streams
opens based on the fact that all streams opens are relative to
fsp->base_fsp, which is a pathref fsp already.
Neither streams_xattr nor streams_depot referenced dirfsp for the
streams case. Make this more obvious in the callers by passing NULL
and asserting this: non-streams opens and streams opens are just
different things, streams-opens can and do reference a base fsp and
don't need the non_widelink_open logic.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
A stream open is always relative to fsp->base_fsp. This already holds
the full path name in fsp->base_fsp->fsp_name, so we don't really need
the full_path_from_dirfsp_atname(). full_path_from_dirfsp_atname() is
not really bad, but the next patches will avoid having a dirfsp for
stream opens overall.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
For the current callers this does not make a difference, they have
already allocated *_smb_fname as a talloc child of fsp, but the next
patches will add one where it does.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
The type of a fsp should never change, but if this call to
vfs_stat_fsp() is the very first one on this fsp, we must update this
flag.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
All we need to do is to convert the @GMT-Token and move the
rest. Before this patch we did a lot of talloc to move the @GMT token
to the beginning of the path only to cut it off immediately
again. Merge that logic into a simple memmove()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
"::$DATA" is the main file, we don't need the overhead of base_fsp here.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We don't need the separate "wrote_slash" boolean variable, we can just
look at what we wrote into p[-1]
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We open "." fixed here, and fd_openat (or rather SMB_VFS_OPENAT) will
tell us if "dirfsp" does not point at a proper directory
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
During gpfs_connect for default share of IPC$ not setting the handle data but during the vfs_gpfs_capabilities
for the default share IPC$ the get handle data was called and observing error log failed to get vfs_handle->data!
so to bypass this error log the condition check if IS_IPC share is added in make_connection_snum while calling SMB_VFS_FS_CAPABILITIES
Signed-off-by:Dinesh <dinesh.kumar.reddy@ibm.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jul 22 05:27:53 UTC 2022 on sn-devel-184
Signed-off-by: Pavel Filipenský <pfilipensky@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Jul 21 14:41:53 UTC 2022 on sn-devel-184
